/Engine/Source/Runtime/Engine/Public/MaterialHLSLGenerator.h
const [UE::HLSLTree::FExpression](API\Runtime\Engine\HLSLTree\FExpression) * NewSwizzle ( const [UE::HLSLTree::FSwizzleParameters](API\Runtime\Engine\HLSLTree\FSwizzleParameters) & Params, const [UE::HLSLTree::FExpression](API\Runtime\Engine\HLSLTree\FExpression) * Input )